<meta charset="UTF-8">
<select>
    <script>
        var arr =["十二生肖","鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪"]
        for( var i=0;i<arr.length;i++) {
            document.write("<option>"+arr[i]+"</option>")
        }

    </script>
</select>